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Searched refs:musb (Results 1 – 25 of 54) sorted by relevance

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/linux/drivers/usb/musb/
H A Dmusb_core.c106 static inline struct musb *dev_to_musb(struct device *dev) in dev_to_musb()
317 struct musb *musb = hw_ep->musb; in musb_default_write_fifo() local
325 dev_dbg(musb->controller, "%cX ep%d fifo %p count %d buf %p\n", in musb_default_write_fifo()
361 struct musb *musb = hw_ep->musb; in musb_default_read_fifo() local
367 dev_dbg(musb->controller, "%cX ep%d fifo %p count %d buf %p\n", in musb_default_read_fifo()
437 (*musb_dma_controller_create)(struct musb *musb, void __iomem *base);
449 return hw_ep->musb->io.read_fifo(hw_ep, len, dst); in musb_read_fifo()
454 return hw_ep->musb->io.write_fifo(hw_ep, len, src); in musb_write_fifo()
457 static u8 musb_read_devctl(struct musb *musb) in musb_read_devctl() argument
459 return musb_readb(musb->mregs, MUSB_DEVCTL); in musb_read_devctl()
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H A Dmusb_core.h27 struct musb;
106 #define MUSB_MODE(musb) ((musb)->is_host ? "Host" : "Peripheral") argument
158 int (*init)(struct musb *musb);
159 int (*exit)(struct musb *musb);
161 void (*enable)(struct musb *musb);
162 void (*disable)(struct musb *musb);
180 (*dma_init) (struct musb *musb, void __iomem *base);
182 int (*set_mode)(struct musb *musb, u8 mode);
183 void (*try_idle)(struct musb *musb, unsigned long timeout);
184 int (*recover)(struct musb *musb);
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H A Dmusb_virthub.c23 struct musb *musb; in musb_host_finish_resume() local
27 musb = container_of(work, struct musb, finish_resume_work.work); in musb_host_finish_resume()
29 spin_lock_irqsave(&musb->lock, flags); in musb_host_finish_resume()
31 power = musb_readb(musb->mregs, MUSB_POWER); in musb_host_finish_resume()
33 musb_dbg(musb, "root port resume stopped, power %02x", power); in musb_host_finish_resume()
34 musb_writeb(musb->mregs, MUSB_POWER, power); in musb_host_finish_resume()
41 musb->is_active = 1; in musb_host_finish_resume()
42 musb->port1_status &= ~(USB_PORT_STAT_SUSPEND | MUSB_PORT_STAT_RESUME); in musb_host_finish_resume()
43 musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16; in musb_host_finish_resume()
44 usb_hcd_poll_rh_status(musb->hcd); in musb_host_finish_resume()
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H A Dmusb_gadget.c34 struct musb *musb, struct musb_ep *musb_ep) in map_dma_buffer() argument
37 struct dma_controller *dma = musb->dma_controller; in map_dma_buffer()
60 musb->controller, in map_dma_buffer()
66 ret = dma_mapping_error(musb->controller, dma_addr); in map_dma_buffer()
73 dma_sync_single_for_device(musb->controller, in map_dma_buffer()
85 struct musb *musb) in unmap_dma_buffer() argument
93 dev_vdbg(musb->controller, in unmap_dma_buffer()
98 dma_unmap_single(musb->controller, in unmap_dma_buffer()
106 dma_sync_single_for_cpu(musb->controller, in unmap_dma_buffer()
127 __releases(ep->musb->lock) in musb_g_giveback()
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H A Dtusb6010.c34 struct platform_device *musb; member
40 static void tusb_musb_set_vbus(struct musb *musb, int is_on);
49 static u8 tusb_get_revision(struct musb *musb) in tusb_get_revision() argument
51 void __iomem *tbase = musb->ctrl_base; in tusb_get_revision()
66 static void tusb_print_revision(struct musb *musb) in tusb_print_revision() argument
68 void __iomem *tbase = musb->ctrl_base; in tusb_print_revision()
71 rev = musb->tusb_revision; in tusb_print_revision()
99 static void tusb_wbus_quirk(struct musb *musb, int enabled) in tusb_wbus_quirk() argument
101 void __iomem *tbase = musb->ctrl_base; in tusb_wbus_quirk()
114 dev_dbg(musb->controller, "Enabled tusb wbus quirk ctrl %08x ena %08x\n", in tusb_wbus_quirk()
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H A Domap2430.c33 struct platform_device *musb; member
41 #define glue_to_musb(g) platform_get_drvdata(g->musb)
45 static inline void omap2430_low_level_exit(struct musb *musb) in omap2430_low_level_exit() argument
50 l = musb_readl(musb->mregs, OTG_FORCESTDBY); in omap2430_low_level_exit()
52 musb_writel(musb->mregs, OTG_FORCESTDBY, l); in omap2430_low_level_exit()
55 static inline void omap2430_low_level_init(struct musb *musb) in omap2430_low_level_init() argument
59 l = musb_readl(musb->mregs, OTG_FORCESTDBY); in omap2430_low_level_init()
61 musb_writel(musb->mregs, OTG_FORCESTDBY, l); in omap2430_low_level_init()
93 struct musb *musb = glue_to_musb(glue); in omap_musb_set_mailbox() local
96 pm_runtime_get_sync(musb->controller); in omap_musb_set_mailbox()
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H A Dmpfs.c27 struct platform_device *musb; member
52 static void mpfs_musb_set_vbus(struct musb *musb, int is_on) in mpfs_musb_set_vbus() argument
61 devctl = musb_readb(musb->mregs, MUSB_DEVCTL); in mpfs_musb_set_vbus()
64 musb->is_active = 1; in mpfs_musb_set_vbus()
65 musb->xceiv->otg->default_a = 1; in mpfs_musb_set_vbus()
66 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; in mpfs_musb_set_vbus()
68 MUSB_HST_MODE(musb); in mpfs_musb_set_vbus()
70 musb->is_active = 0; in mpfs_musb_set_vbus()
76 musb->xceiv->otg->default_a = 0; in mpfs_musb_set_vbus()
77 musb->xceiv->otg->state = OTG_STATE_B_IDLE; in mpfs_musb_set_vbus()
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H A Dmusb_host.h55 extern struct musb *hcd_to_musb(struct usb_hcd *);
56 extern irqreturn_t musb_h_ep0_irq(struct musb *);
57 extern int musb_host_alloc(struct musb *);
58 extern int musb_host_setup(struct musb *, int);
59 extern void musb_host_cleanup(struct musb *);
60 extern void musb_host_tx(struct musb *, u8);
61 extern void musb_host_rx(struct musb *, u8);
62 extern void musb_root_disconnect(struct musb *musb);
63 extern void musb_host_free(struct musb *);
64 extern void musb_host_resume_root_hub(struct musb *musb);
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H A Dda8xx.c70 struct platform_device *musb; member
86 static void da8xx_musb_enable(struct musb *musb) in da8xx_musb_enable() argument
88 void __iomem *reg_base = musb->ctrl_base; in da8xx_musb_enable()
92 mask = ((musb->epmask & DA8XX_USB_TX_EP_MASK) << DA8XX_INTR_TX_SHIFT) | in da8xx_musb_enable()
93 ((musb->epmask & DA8XX_USB_RX_EP_MASK) << DA8XX_INTR_RX_SHIFT) | in da8xx_musb_enable()
105 static void da8xx_musb_disable(struct musb *musb) in da8xx_musb_disable() argument
107 void __iomem *reg_base = musb->ctrl_base; in da8xx_musb_disable()
117 static void da8xx_musb_set_vbus(struct musb *musb, int is_on) in da8xx_musb_set_vbus() argument
119 WARN_ON(is_on && is_peripheral_active(musb)); in da8xx_musb_set_vbus()
126 struct musb *musb = timer_container_of(musb, t, in otg_timer() local
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H A Dmusb_dsps.c104 struct platform_device *musb; /* child musb pdev */ member
136 struct musb *musb = platform_get_drvdata(glue->musb); in dsps_mod_timer() local
144 mod_timer(&musb->dev_timer, jiffies + wait); in dsps_mod_timer()
168 static void dsps_musb_enable(struct musb *musb) in dsps_musb_enable() argument
170 struct device *dev = musb->controller; in dsps_musb_enable()
173 void __iomem *reg_base = musb->ctrl_base; in dsps_musb_enable()
177 epmask = ((musb->epmask & wrp->txep_mask) << wrp->txep_shift) | in dsps_musb_enable()
178 ((musb->epmask & wrp->rxep_mask) << wrp->rxep_shift); in dsps_musb_enable()
187 if (musb->xceiv->otg->state == OTG_STATE_B_IDLE) in dsps_musb_enable()
194 static void dsps_musb_disable(struct musb *musb) in dsps_musb_disable() argument
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H A Dmusb_gadget.h16 extern irqreturn_t musb_g_ep0_irq(struct musb *);
17 extern void musb_g_tx(struct musb *, u8);
18 extern void musb_g_rx(struct musb *, u8);
19 extern void musb_g_reset(struct musb *);
20 extern void musb_g_suspend(struct musb *);
21 extern void musb_g_resume(struct musb *);
22 extern void musb_g_wakeup(struct musb *);
23 extern void musb_g_disconnect(struct musb *);
24 extern void musb_gadget_cleanup(struct musb *);
25 extern int musb_gadget_setup(struct musb *);
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H A Dmusb_regs.h282 static inline void musb_write_rxfunaddr(struct musb *musb, u8 epnum, in musb_write_rxfunaddr() argument
285 musb_writeb(musb->mregs, in musb_write_rxfunaddr()
286 musb->io.busctl_offset(epnum, MUSB_RXFUNCADDR), in musb_write_rxfunaddr()
290 static inline void musb_write_rxhubaddr(struct musb *musb, u8 epnum, in musb_write_rxhubaddr() argument
293 musb_writeb(musb->mregs, musb->io.busctl_offset(epnum, MUSB_RXHUBADDR), in musb_write_rxhubaddr()
297 static inline void musb_write_rxhubport(struct musb *musb, u8 epnum, in musb_write_rxhubport() argument
300 musb_writeb(musb->mregs, musb->io.busctl_offset(epnum, MUSB_RXHUBPORT), in musb_write_rxhubport()
304 static inline void musb_write_txfunaddr(struct musb *musb, u8 epnum, in musb_write_txfunaddr() argument
307 musb_writeb(musb->mregs, in musb_write_txfunaddr()
308 musb->io.busctl_offset(epnum, MUSB_TXFUNCADDR), in musb_write_txfunaddr()
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H A Dmusb_host.c74 struct musb *hcd_to_musb(struct usb_hcd *hcd) in hcd_to_musb()
76 return *(struct musb **) hcd->hcd_priv; in hcd_to_musb()
80 static void musb_ep_program(struct musb *musb, u8 epnum,
89 struct musb *musb = ep->musb; in musb_h_tx_flush_fifo() local
114 if (dev_WARN_ONCE(musb->controller, retries-- < 1, in musb_h_tx_flush_fifo()
172 if (is_cppi_enabled(ep->musb)) in musb_h_tx_dma_start()
197 musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh) in musb_start_urb() argument
200 void __iomem *mbase = musb->mregs; in musb_start_urb()
216 musb->ep0_stage = MUSB_EP0_START; in musb_start_urb()
232 trace_musb_urb_start(musb, urb); in musb_start_urb()
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H A Dmusb_dma.h53 #define musb_dma_ux500(musb) (musb->ops->quirks & MUSB_DMA_UX500) argument
55 #define musb_dma_ux500(musb) 0 argument
59 #define musb_dma_cppi41(musb) (musb->ops->quirks & MUSB_DMA_CPPI41) argument
61 #define musb_dma_cppi41(musb) 0 argument
65 #define tusb_dma_omap(musb) (musb->ops->quirks & MUSB_DMA_TUSB_OMAP) argument
67 #define tusb_dma_omap(musb) 0 argument
71 #define musb_dma_inventra(musb) (musb->ops->quirks & MUSB_DMA_INVENTRA) argument
73 #define musb_dma_inventra(musb) 0 argument
77 #define is_cppi_enabled(musb) musb_dma_cppi41(musb) argument
79 #define is_cppi_enabled(musb) 0 argument
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H A Dmusb_debugfs.c86 struct musb *musb = s->private; in musb_regdump_show() local
90 pm_runtime_get_sync(musb->controller); in musb_regdump_show()
96 musb_readb(musb->mregs, musb_regmap[i].offset)); in musb_regdump_show()
100 musb_readw(musb->mregs, musb_regmap[i].offset)); in musb_regdump_show()
104 musb_readl(musb->mregs, musb_regmap[i].offset)); in musb_regdump_show()
109 pm_runtime_put_autosuspend(musb->controller); in musb_regdump_show()
116 struct musb *musb = s->private; in musb_test_mode_show() local
119 pm_runtime_get_sync(musb->controller); in musb_test_mode_show()
120 test = musb_readb(musb->mregs, MUSB_TESTMODE); in musb_test_mode_show()
121 pm_runtime_put_autosuspend(musb->controller); in musb_test_mode_show()
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H A Dmusb_cppi41.c61 if (!is_host_active(cppi41_channel->controller->controller.musb)) in save_rx_toggle()
73 struct musb *musb = hw_ep->musb; in update_rx_toggle() local
79 if (!is_host_active(musb)) in update_rx_toggle()
82 musb_ep_select(musb->mregs, hw_ep->epnum); in update_rx_toggle()
94 musb_dbg(musb, "Restoring DATA1 toggle."); in update_rx_toggle()
103 struct musb *musb = hw_ep->musb; in musb_is_tx_fifo_empty() local
104 void __iomem *epio = musb->endpoints[epnum].regs; in musb_is_tx_fifo_empty()
107 musb_ep_select(musb->mregs, hw_ep->epnum); in musb_is_tx_fifo_empty()
120 struct musb *musb = hw_ep->musb; in cppi41_trans_done() local
139 musb_ep_select(musb->mregs, hw_ep->epnum); in cppi41_trans_done()
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H A Dtusb6010_omap.c30 struct musb *musb; member
66 dev_dbg(chdat->musb->controller, "ep%i dmareq0 is busy for ep%i\n", in tusb_omap_use_shared_dmareq()
102 struct musb *musb = chdat->musb; in tusb_omap_dma_cb() local
103 struct device *dev = musb->controller; in tusb_omap_dma_cb()
106 void __iomem *mbase = musb->mregs; in tusb_omap_dma_cb()
109 spin_lock_irqsave(&musb->lock, flags); in tusb_omap_dma_cb()
111 dev_dbg(musb->controller, "ep%i %s dma callback\n", in tusb_omap_dma_cb()
123 dev_dbg(musb->controller, "Corrupt %s XFR_SIZE: 0x%08lx\n", in tusb_omap_dma_cb()
131 dev_dbg(musb->controller, "DMA remaining %lu/%u\n", remaining, chdat->transfer_len); in tusb_omap_dma_cb()
137 dev_dbg(musb->controller, "Using PIO for remaining %lu bytes\n", pio); in tusb_omap_dma_cb()
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H A Dmusbhsdma.c78 struct musb *musb = controller->private_data; in dma_controller_stop() local
83 dev_err(musb->controller, in dma_controller_stop()
149 struct musb *musb = controller->private_data; in configure_channel() local
154 musb_dbg(musb, "%p, pkt_sz %d, addr %pad, len %d, mode %d", in configure_channel()
187 struct musb *musb = controller->private_data; in dma_channel_program() local
189 musb_dbg(musb, "ep%d-%s pkt_sz %d, dma_addr %pad length %d, mode %d", in dma_channel_program()
206 if ((musb->hwvers >= MUSB_HWVERS_1800) && (dma_addr % 4)) in dma_channel_program()
224 struct musb *musb = musb_channel->controller->private_data; in dma_channel_abort() local
232 offset = musb->io.ep_offset(musb_channel->epnum, in dma_channel_abort()
245 offset = musb->io.ep_offset(musb_channel->epnum, in dma_channel_abort()
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H A Dux500_dma.c56 struct musb *musb = hw_ep->musb; in ux500_dma_callback() local
59 dev_dbg(musb->controller, "DMA rx transfer done on hw_ep=%d\n", in ux500_dma_callback()
62 spin_lock_irqsave(&musb->lock, flags); in ux500_dma_callback()
65 musb_dma_completion(musb, hw_ep->epnum, ux500_channel->is_tx); in ux500_dma_callback()
66 spin_unlock_irqrestore(&musb->lock, flags); in ux500_dma_callback()
82 struct musb *musb = ux500_channel->controller->private_data; in ux500_configure_channel() local
83 dma_addr_t usb_fifo_addr = (musb->io.fifo_offset(hw_ep->epnum) + in ux500_configure_channel()
86 dev_dbg(musb->controller, in ux500_configure_channel()
134 struct musb *musb = controller->private_data; in ux500_dma_channel_allocate() local
157 dev_dbg(musb->controller, "hw_ep=%d, is_tx=0x%x, channel=%d\n", in ux500_dma_channel_allocate()
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H A Dmusb_debug.h20 void musb_dbg(struct musb *musb, const char *fmt, ...);
23 void musb_init_debugfs(struct musb *musb);
24 void musb_exit_debugfs(struct musb *musb);
26 static inline void musb_init_debugfs(struct musb *musb) in musb_init_debugfs() argument
29 static inline void musb_exit_debugfs(struct musb *musb) in musb_exit_debugfs() argument
H A Dmusb_trace.c13 void musb_dbg(struct musb *musb, const char *fmt, ...) in musb_dbg() argument
22 trace_musb_log(musb, &vaf); in musb_dbg()
/linux/Documentation/driver-api/usb/
H A Dwriting_musb_glue_layer.rst24 ``drivers/usb/musb/jz4740.c``. In this documentation I will walk through the
53 | | <------ drivers/usb/musb/musb_gadget.c
54 | MUSB Controller driver | <------ drivers/usb/musb/musb_host.c
55 | | <------ drivers/usb/musb/musb_core.c
60 | | <-- drivers/usb/musb/jz4740.c
86 .name = "musb-jz4740",
104 struct platform_device *musb;
109 The dev and musb members are both device structure variables. The first
128 struct platform_device *musb;
137 musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO);
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/linux/Documentation/devicetree/bindings/usb/
H A Domap-usb.txt4 - compatible : Should be "ti,omap4-musb" or "ti,omap3-musb"
6 - multipoint : Should be "1" indicating the musb controller supports
29 compatible = "ti,omap4-musb";
H A Dux500-usb.txt4 - compatible : Should be "stericsson,db8500-musb"
18 compatible = "stericsson,db8500-musb";
H A Dam33xx-usb.txt31 - compatible: ti,musb-am33xx
39 - mentor,multipoint: Should be "1" indicating the musb controller supports
103 compatible = "ti,musb-am33xx";
150 compatible = "ti,musb-am33xx";

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